Exhibit 24.1

                           LIMITED POWER OF ATTORNEY
                      FOR SECTION 16 REPORTING OBLIGATIONS

      Know all by these presents, that the undersigned hereby makes, constitutes
and  appoints  each  of  Jill  C. Milne, Deirdre A. Cunnane and Andrea Matthews,
signing  singly  and  each  acting  individually,  as the undersigned's true and
lawful  attorney-in-fact  with full power and authority as hereinafter described
to:

      (1)   execute  for  and on behalf of the undersigned, in the undersigned's
            capacity  as  an  officer  of  Catabasis  Pharmaceuticals, Inc. (the
            "Company"),  Forms 3, 4, and 5 (including any amendments thereto) in
            accordance with Section 16(a) of the Securities Exchange Act of 1934
            and the rules thereunder (the "Exchange Act");

      (2)   do and perform any and all acts for and on behalf of the undersigned
            which may be necessary or desirable to prepare, complete and execute
            any  such  Form  3,  4,  or  5,  prepare,  complete  and execute any
            amendment  or  amendments  thereto, and timely deliver and file such
            form  with the United States Securities and Exchange Commission (the
            "SEC")  and  any  stock  exchange  or  similar  authority, including
            without  limitation  the  filing of a Form ID, Update Passphrase, or
            any other application materials to enable the undersigned to gain or
            maintain  access  to  the  Electronic  Data  Gathering, Analysis and
            Retrieval system of the SEC;

      (3)   seek  or  obtain,  as  the  undersigned's  representative and on the
            undersigned's  behalf,  information  regarding  transactions  in the
            Company's  securities  from  any  third  party,  including  brokers,
            employee   benefit   plan   administrators  and  trustees,  and  the
            undersigned  hereby  authorizes  any such person to release any such
            information  to  such attorney-in-fact and approves and ratifies any
            such release of information; and

      (4)   take  any other action of any type whatsoever in connection with the
            foregoing  which, in the opinion of such attorney-in-fact, may be of
            benefit  to,  in  the  best interest of, or legally required by, the
            undersigned, it being understood that the documents executed by such
            attorney-in-fact on behalf of the undersigned pursuant to this Power
            of  Attorney  shall be in such form and shall contain such terms and
            conditions   as   such   attorney-in-fact   may   approve   in  such
            attorney-in-fact's discretion.

The  undersigned  hereby  grants  to  each  such attorney-in-fact full power and
authority  to  do  and perform any and every act and thing whatsoever requisite,
necessary,  or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could  do  if personally present, with full power of substitution or revocation,
hereby  ratifying  and  confirming  all  that  such  attorney-in-fact,  or  such
attorney-in-fact's  substitute  or substitutes, shall lawfully do or cause to be
done  by  virtue  of  this  power  of  attorney and the rights and powers herein
granted.  The  undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming nor
relieving,  nor  is the Company assuming nor relieving, any of the undersigned's
responsibilities  to comply with Section 16 of the Exchange Act. The undersigned
acknowledges that neither the Company nor the foregoing attorneys-in-fact assume
(i)  any  liability  for  the  undersigned's  responsibility  to comply with the
requirement  of  the Exchange Act, (ii) any liability of the undersigned for any
failure  to  comply with such requirements, or (iii) any obligation or liability
of  the  undersigned for profit disgorgement under Section 16(b) of the Exchange
Act.

      This  Power  of  Attorney  shall remain in full force and effect until the
undersigned  is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's  holdings of and transactions in securities issued by the Company,
unless  earlier  revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

      IN  WITNESS  WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of January 3, 2019.

                                               /s/ Gregg A. Lapointe
                                               ---------------------------------
                                               Gregg A. Lapointe